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These cracks are formed by the differential sublimation of ice. The ice beneath the polygons is 8 million years old! En route to Beacon Valley, Dry Valleys, Antarctica.

Credit to read: Photo by Jacquelyn Hams (PolarTREC 2008), Courtesy of ARCUS

Photographer: Jacquelyn Hams
File Information
Focal Length: 
9.2mm
File Size: 
1097126
Computed Mime: 
image/jpeg
Max Aperture: 
f/3.6
Height: 
2112
Width: 
2816
Make: 
PENTAX Corporation
Model: 
PENTAX Optio WPi
Exposure Time: 
1/400s
ISO: 
80

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